Siebel Universal Queuing Administration Guide > Troubleshooting Siebel Universal Queuing >
Table 20 gives a solution to an application-related problem.
SOAP requests related to agents and work items sent to Siebel Universal Queuing are failing.
One or more required servers (qatdsrv, adusrv, vdusr, dustore) may not be running.
Check if these processes are running. If not, collect log files and send to support for further investigation.